To be totally honest?

I'd let her go. I understand as I had to help my friend choose to have her 35year old, Sandman, pts. He was losing weight and it was coming up to winter.

I also had my little pony, Charlie Brown, of 23 pts due to a condition that wasn't treatable. I was 11 at the time and inconsolable, but now I am mature enough to see that it was only right and the old boy never suffered. He'll always be mine and he'll always be safe.

I understand how hard it is, but she will be struggling this winter. If she is strugging to walk, then maybe it's her time. It'll be heartbreaking, but you can be assured that she is comfortable. Stay with her, talk to her and let her go.

But your her owner, and it's obviously up to you and anyone else involved. Just do what you think is right,no-one is going to judge your decision either way, and you know what is best for the old girl.

Good luck with your decision.